Citadel Soultions Series by Dominic Pierce

Duty was supposed to be simple—until she walked into his mission.Ethan Cross doesn’t get emotionally involved. As the head of Citadel Solutions, he handles high-stakes security with military precision and zero distractions. Protecting international pop star Nova Rivers from a dangerous stalker? Just another job.Until he meets her sister.Melanie Rivers is the quiet force behind Nova’s chaotic empire—efficient, invisible, and utterly selfless... moreDuty was supposed to be simple—until she walked into his mission.Ethan Cross doesn’t get emotionally involved. As the head of Citadel Solutions, he handles high-stakes security with military precision and zero distractions. Protecting international pop star Nova Rivers from a dangerous stalker? Just another job.Until he meets her sister.Melanie Rivers is the quiet force behind Nova’s chaotic empire—efficient, invisible, and utterly selfless. She’s spent her life in the shadows, sacrificing her dreams to hold her family together.But Ethan notices what no one else does—the way she shoulders everyone’s burdens without complaint, the quiet fire burning beneath her calm exterior. She’s not the client. She’s not part of the mission. Yet the longer he’s near her, the harder it gets to remember the lines he swore he’d never cross.But in an industry full of secrets, danger lurks closer than anyone suspects. And one wrong move could cost them everything.He was hired to keep one woman safe… but the one he can’t stop thinking about might be the one who brings him to his knees. less

She saves lives with steady hands. He takes them with deadly precision.In the war-torn jungles of Corazón, Dr. Lauren Valentino runs a field hospital under siege—treating the wounded, protecting the innocent, and risking everything to hold the line. Knowing the danger is getting critical, Lauren’s family sends Citadel Solutions security expert Logan Kane to get her out... moreShe saves lives with steady hands. He takes them with deadly precision.In the war-torn jungles of Corazón, Dr. Lauren Valentino runs a field hospital under siege—treating the wounded, protecting the innocent, and risking everything to hold the line. Knowing the danger is getting critical, Lauren’s family sends Citadel Solutions security expert Logan Kane to get her out.One doctor should be no problem for a battled-hardened Marine who specializes in impossible missions—even when the mission doesn’t want to be rescued and a hurricane is closing in.They clash instantly.The heat between them? Instant too.When communication is cut off and killers close in, Lauren and Logan are forced into the jungle. The storm’s not the only thing hunting them. Survival means moving fast and finding some way of trusting each other.In a world where death is always only one step behind, love might be the risk that breaks them both.Or saves them. less

Ty Hughes handles the most dangerous protection assignments on the planet—it's what Citadel Solutions is built for. So babysitting some old computer scientist for a few weeks?Boring as hell, but no problem.Until he meets Dr. Charlotte Gifford.She's not the gray-haired researcher Tyler expected—she’s young, brilliant, and gets adorably flustered every time he looks at her... moreTy Hughes handles the most dangerous protection assignments on the planet—it's what Citadel Solutions is built for. So babysitting some old computer scientist for a few weeks?Boring as hell, but no problem.Until he meets Dr. Charlotte Gifford.She's not the gray-haired researcher Tyler expected—she’s young, brilliant, and gets adorably flustered every time he looks at her. When her quantum-encrypted signal research is stolen by terrorists, someone wants her dead before she can rebuild what they need.Charlotte has spent her whole life in labs, more comfortable with code than people. She eats lunch alone, speaks in programming logic when nervous, and definitely doesn't know what to do with a bodyguard who makes her forget her own name.Now they're on the run with assassins on their trail and a traitor somewhere in her inner circle. Charlotte can reconstruct the tech that could save thousands—if Tyler can keep her alive long enough.She's a genius with code, not running from terrorists. He's trained for warfare, not falling for the woman he's protecting.But when every ally becomes suspect and death waits around each corner, breaking all the rules might be their only chance at survival. less